Top contact layout board in an electrical system



FIG. 1 is an enlarged front view of a top contact layout board in an electrical system showing our new design, the motherboard is shown in broken lines as unclaimed environment and forms no part of the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof. 

CLAIM The ornamental design for a top contact layout board in an electrical system, as shown and described. 